diff --git a/CHANGES.md b/CHANGES.md
index 2d066c7..a3688c8 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
 # ocfl-py changelog
 
+## 2021-??-?? v1.2.3
+
+  * Additional validation improvements
+
 ## 2021-04-26 v1.2.2
 
   * Validation improvements: